Honestly, it depends a lot on what the can is made of and how it’s designed. A cheap plastic bin left in direct sun can fade, warp, crack, or get brittle over time, especially if it doesn’t have UV stabilizers. Metal cans usually handle heat better, but the surface can get extremely hot, powder coating can fade or chip, and repeated expansion can loosen parts or cause dents. Good urban bins are designed with heat in mind: UV-resistant HDPE or powder-coated steel, ventilation holes, drainage, rounded edges, and lighter colors that absorb less heat.
Extreme heat also makes trash cans smell worse and speed up bacteria growth, so ventilation and frequent cleaning matter. Hot, dry conditions can raise fire risk if people put hot ashes or flammable waste inside, though a well-made bin won’t ignite just from weather. In real cities, shade, maintenance schedules, liners, and smart-sensor battery protection all affect how long cans last. They don’t melt in a normal heatwave, but poorly made cans age much faster, while well-designed ones can hold up for years with basic care.